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11/3 - Notes - Part 6: Sinking, Floating and Density

Last updated over 3 years ago

10 questions

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Question 1

1.

To understand why some objects sink while other objects float, scientists look at 3 variables: _______, _, and _________.

mass

gravity

buoyancy

density

grams

friction

Question 2

2.

_______________ is a noncontact force that attracts an object to the center of the Earth.

Question 3

3.

_______________ is a measurement of how compact an object is, or the ratio of mass to volume.

Question 4

4.

_______________ is a force that pushes up on objects that are in a fluid, such as water.

Question 5

5.

The density of pure water is equal to _______________.

Question 6

6.

In general, if an object has an overall density less than 1.00 g/mL it will _______________in water.

Question 7

7.

If an object has an overall density greater than 1.00 g/mL it will _______________in water.

Question 8

8.

_______________ principle explains why objects with a density greater than water’s can still float.

Question 9

9.

In basic terms, Archimedes’ principle states that if the mass of water displaced by an object is _ ___ than the object’s mass, it will float.

Question 10

10.

The reason why a steel boat floats in water but a steel nail does not is that the boat’s unique _______________ displaces a larger amount of water compared to the nail.